100% waterproof Fully lined with 5mm neoprene for flexibility and insulation Extended rubber overlay for extra protection Dual density sole with deep cut tread for grip Reinforced toe, instep, heel & arch for support Steel shank for structural support bioDEWIX™ Dry antimicrobial footbed insert topcover NZYM™ for odour control and moisture management Reflective pull-tab for easy on and off Outsole designed for optimum use on firmer surfaces Estimated boot height 42cm/ 16.5" (based on a size 8) Estimated max calf circumference 40.5cm/ 15.9" (based on a size 8) Half sizes order up Suitable for men and women Muck Boots Chore 2K Boots